Gabriel Pires
Name: Gabriel Pires, Ph.D.
Position: Adjunct Professor
Website: http://orion.ipt.pt/~gpires/
Office: Gab 0.19
Email: gpires@isr.uc.pt
Supervisor of:
João Perdiz, Ph.D. Student
Nicoli Leal, M.Sc. Student
Rute Bettencourt, Ph.D. Student
Fernando Henrique Carvalho Silva, Ph.D. Student
Maria Viana Pires Coelho, Ph.D. Student
Joana Aguiar Amaral, Ph.D. Student
Paloma Vanessa Nunes Solis, M.Sc. Student
Ana Patrícia Pinto, M.Sc. Student
Marko Kuzmanoski, M.Sc. Student
Journals
R. Bettencourt,
M. Castelo-Branco,
Edna Goncalves, U. J. Nunes,
G. Pires,
Comparing Several P300-Based Visuo-Auditory Brain-Computer Interfaces for a Completely Locked-in ALS Patient: A Longitudinal Case Study, Applied Sciences, 14(8), 3464, 2024
https://doi.org/10.3390/app14083464
https://doi.org/10.3390/app14083464
Joao Estiveira, Ernesto Soares, G. Pires,
U. J. Nunes,
T. Sousa,
Sidarta Ribeiro, M. Castelo-Branco,
SSVEP modulation via non-volitional neurofeedback: an in silico proof of concept, Journal of Neural Engineering, Vol. 21, Nº 6, 2024
https://doi.org/10.1088/1741-2552/ad94a5
https://doi.org/10.1088/1741-2552/ad94a5
Conferences
R. Bettencourt,
U. J. Nunes,
M. Castelo-Branco,
G. Pires,
Searching for Neurophysiological Biomarkers Correlated with BCI Performance in a Completely Locked-In State Patient, 11th Int. Conf. on Software Development for Enhancing Accessibility and Fighting Info-exclusion (DSAI 2024), 2024
L. Artur da Silva Garrote,
J. Perdiz,
Mine Yasemin,
G. Pires,
U. J. Nunes,
Two-Stream Architecture with Contrastive and Self-Supervised Attention Feature Fusion for Error-related Potentials Classification, 33rd IEEE International Conference on Robot and Human Interactive Communication (ROMAN), Pasadena, CA, USA, 2024
https://doi.org/10.1109/RO-MAN60168.2024.10731474
https://doi.org/10.1109/RO-MAN60168.2024.10731474
Journals
Mine Yasemin,
A. De Brito da Cruz,
G. Pires,
U. J. Nunes,
Single trial detection of error-related potentials in brain-machine interfaces: A survey and comparison of methods, Journal of Neural Engineering, IOP, 2023
https://doi.org/10.1088/1741-2552/acabe9
https://doi.org/10.1088/1741-2552/acabe9
Conferences
J. Ruivo Carvalho Paulo,
Teresa Sousa, J. Perdiz,
, P. Menezes,
, G. Pires,
M. Castelo-Branco,
A multimodal framework for motor function characterization in ASD, ENBENG, IEEE Portuguese Meeting on Bioengineering, Porto, 2023
J. Ruivo Carvalho Paulo,
T. Sousa,
J. Perdiz,
N. Leal,
P. Menezes,
T. Zhu, G. Pires,
M. Castelo-Branco,
A Framework For Motor Function Characterization in Autism Spectrum Disorder, 2023 IEEE 7th Portuguese Meeting on Bioengineering (ENBENG), 104-107 , 2023
C. Dias, T. Sousa,
A. De Brito da Cruz,
D. Costa, J. Castelhano, G. Pires,
M. Castelo-Branco,
A memory-based BCI approach for training of executive function in ASD, Brain Stimulation, 16, 1, 2023
https://doi.org/10.1016/j.brs.2023.01.440
https://doi.org/10.1016/j.brs.2023.01.440
Journals
G. Pires,
A. De Brito da Cruz,
D. Jesus, Mine Yasemin,
U. J. Nunes,
T. Sousa,
M. Castelo-Branco,
A new error-monitoring brain-computer interface based on reinforcement learning for people with autism spectrum disorders, Journal of Neural Engineering, 2022
https://doi.org/10.1088/1741-2552/aca798
https://doi.org/10.1088/1741-2552/aca798
G. Pires,
S. Barbosa,
U. J. Nunes,
Edna Goncalves, ,
Visuo-auditory stimuli with semantic, temporal and spatial congruence for a P300-based BCI: An exploratory test with an ALS patient in a completely locked-in state, in Journal of Neuroscience Methods, Vol. 379, 2022, Elsevier, 2022
https://doi.org/10.1016/j.jneumeth.2022.109661
https://doi.org/10.1016/j.jneumeth.2022.109661
G. Pires,
M. Castelo-Branco,
C. Guger, G. Cisotto,
Editorial: Error-Related Potentials: Challenges and Applications, Frontiers in Human Neuroscience - Brain-Computer Interfaces, 2022
https://doi.org/10.3389/fnhum.2022.984254
https://doi.org/10.3389/fnhum.2022.984254
A. De Brito da Cruz,
G. Pires,
U. J. Nunes,
Spatial filtering based on Riemannian distance to improve the generalization of ErrP classification, in Neurocomputing, Vol. 470, Elsevier, 2022
https://doi.org/10.1016/j.neucom.2021.10.078
https://doi.org/10.1016/j.neucom.2021.10.078
Conferences
R. Pereira,
A. De Brito da Cruz,
L. Artur da Silva Garrote,
G. Pires,
A. Barata Pires Lopes,
U. J. Nunes,
Dynamic Environment-based Visual User Interface for Intuitive Navigation Target Selection for Brain-actuated Wheelchairs, 31st IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2022), Napoli, Italy, 2022
https://doi.org/10.1109/RO-MAN53752.2022.9900623
https://doi.org/10.1109/RO-MAN53752.2022.9900623
Journals
J. Perdiz,
L. Artur da Silva Garrote,
G. Pires,
U. J. Nunes,
A Reinforcement Learning assisted Eye-driven Computer Game Employing a Decision Tree-based Approach and CNN Classification, IEEE Access, Volume: 9, 46011 - 46021, IEEE, 2021
https://doi.org/10.1109/ACCESS.2021.3068055
https://doi.org/10.1109/ACCESS.2021.3068055
J. Ruivo Carvalho Paulo,
G. Pires,
U. J. Nunes,
Cross-Subject Zero Calibration Driver’s Drowsiness Detection: Exploring Spatiotemporal Image Encoding of EEG Signals For Convolutional Neural Network Classification, IEEE Transactions on Neural Systems and Rehabilitation Engineering, 2021
https://doi.org/10.1109/TNSRE.2021.3079505
https://doi.org/10.1109/TNSRE.2021.3079505
A. De Brito da Cruz,
G. Pires,
A. Barata Pires Lopes,
C. De Paulo Carona,
U. J. Nunes,
A Self-Paced BCI With a Collaborative Controller for Highly Reliable Wheelchair Driving: Experimental Tests With Physically Disabled Individuals, IEEE Transactions on Human-Machine Systems, vol. 51, no. 2, pp. 109-119, 2021
https://doi.org/10.1109/THMS.2020.3047597
https://doi.org/10.1109/THMS.2020.3047597
Conferences
A. Zancanaro,
Giulia Cisotto, J. Ruivo Carvalho Paulo,
G. Pires,
U. J. Nunes,
CNN-based Approaches For Cross-Subject Classification in Motor Imagery: From the State-of-The-Art to DynamicNet , 2021 IEEE Conference on Computational Intelligence in Bioinformatics and Computational Biology (CIBCB), Melbourne, Australia, 2021
https://doi.org/10.1109/CIBCB49929.2021.9562821
https://doi.org/10.1109/CIBCB49929.2021.9562821
Francisco Roque,
G. Pires,
J. Perdiz,
U. J. Nunes,
A User Identification System based on Code-modulated Visual Evoked Potentials with LED Stimulation, 2021 IEEE International Workshop on Biometrics and Forensics (IWBF), Italy, 2021
https://doi.org/10.1109/IWBF50991.2021.9465083
https://doi.org/10.1109/IWBF50991.2021.9465083
Conferences
L. Almeida,
E. Lopes, B. Yalcinkaya, R. Martins , A. Barata Pires Lopes,
P. Menezes,
G. Pires,
Towards Natural Interaction in Immersive Reality with a Cyber-Glove, IEEE International Conference on Systems, Man, and Cybernetics - SMC2019, Bari, Italy, 2019
L. Artur da Silva Garrote,
J. Perdiz,
G. Pires,
U. J. Nunes,
"Reinforcement Learning Motion Planning for an EOG-centered Robot Assisted Navigation in a Virtual Environment", 28th IEEE International Conference on Robot and Human Interactive Communication (RO-MAN 2019), New Delhi, India, 2019
J. Perdiz,
A. Cruz,
U. J. Nunes,
G. Pires,
A Hybrid Brain-Computer Interface Fusing P300 ERP and Electrooculography, Mediterranean Conference on Medical and Biological Engineering and Computing, Coimbra, Portugal, 2019
A. Cruz,
G. Pires,
Ana Lopes, U. J. Nunes,
Detection of Stressful Situations Using GSR While Driving a BCI-Controlled Wheelchair, 41st Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC), Berlin, Germany, 2019
G. Pires,
Mine Yasemin,
U. J. Nunes,
Naturally Embedded SSVEP Phase Tagging in a P300-Based BCI: LSC-4Q Speller, BMI , Workshop at IEEE International Conference on Systems, Man and Cybernetics (SMC), Bari, Italy, 2019
D. Farinha,
J. Dias,
P. Neves,
K. Pereira,
C. Ferreira,
G. Pires,
Assistive Robotic Hand Orthosis (ARHO) controlled with EMG: evaluation of a preliminary prototype, 6th IEEE Portuguese Meeting on Bioengineering (ENBENG 2019), Lisbon, Portugal, 2019
D. Vaz Gomes,
F. Fernandes,
E. Castro,
G. Pires,
Head-movement interface for wheelchair driving based on inertial sensors, 6th IEEE Portuguese Meeting on Bioengineering (ENBENG 2019), Lisbon, Portugal, 2019
Journals
A. De Brito da Cruz,
G. Pires,
U. J. Nunes,
Double ErrP Detection for Automatic Error Correction in an ERP-Based BCI Speller, IEEE Transactions on Neural Systems and Rehabilitation Engineering, Vol.26, 1, 2018
http://dx.doi.org/10.1109/TNSRE.2017.2755018
http://dx.doi.org/10.1109/TNSRE.2017.2755018
Conferences
A. De Brito da Cruz,
G. Pires,
U. J. Nunes,
Generalization of ErrP-calibration for different error-rates in P300-based BCIs, 2018 IEEE International Conference on Systems, Man, and Cybernetics (SMC2018), Miyazaki, Japan, 2018
J. Perdiz,
L. Artur da Silva Garrote,
G. Pires,
U. J. Nunes,
Measuring the impact of reinforcement learning on an electrooculography-only computer game, 2018 IEEE 6th International Conference on Serious Games and Applications for Health (SeGAH), Vienna, Austria, 2018
https://doi.org/10.1109/SeGAH.2018.8401359
https://doi.org/10.1109/SeGAH.2018.8401359
Journals
T. Sousa,
C. Amaral,
J. Andrade,
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
Pure visual imagery as a potential approach to achieve three classes of control for implementation of BCI in non-motor disorders, Journal of Neural Engineering, Vol. 14, 4, IOP Pub, 2017
http://dx.doi.org/10.1088/1741-2552/aa70ac
http://dx.doi.org/10.1088/1741-2552/aa70ac
Conferences
J. Perdiz,
G. Pires,
U. J. Nunes,
Emotional state detection based on EMG and EOG biosignals: A short survey, 5thy IEEE Portuguese Meeting on Bioengineering (ENBENG), 2017
http://dx.doi.org/10.1109/ENBENG.2017.7889451
http://dx.doi.org/10.1109/ENBENG.2017.7889451
Journals
S. Barbosa,
G. Pires,
U. J. Nunes,
Toward a reliable gaze independent hybrid BCI combining visual and natural auditory stimuli, Journal of Neuroscience Methods, 261, Elsevier, 2016
http://dx.doi.org/doi:10.1016/j.jneumeth.2015.11.026
http://dx.doi.org/doi:10.1016/j.jneumeth.2015.11.026
A. Barata Pires Lopes,
J. Rodrigues,
J. Perdigão,
G. Pires,
U. J. Nunes,
New Hybrid Motion Planner Applied in a Brain-Actuated Robotic Wheelchair, IEEE Robotics and Automation Magazine, 23, 4, 2016
http://dx.doi.org/10.1109/MRA.2016.2605403
http://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=7786799
http://dx.doi.org/10.1109/MRA.2016.2605403
http://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=7786799
Journals
T. Sousa,
A. Cruz,
S. Khalighi,
G. Pires,
U. J. Nunes,
A two-step automatic sleep stage classification method with dubious range detection, Computers in Biology and Medicine, vol. 59, 42-53, Elsevier, 2015
T. Sousa,
A. De Brito da Cruz,
S. Khalighi,
G. Pires,
U. J. Nunes,
A Two-step Automatic Sleep Stage Classification Method with Dubious Range Detection, Computers in Biology and Medicine, Vol. 59, Elsevier, 2015
http://dx.doi.org/10.1016/j.compbiomed.2015.01.017
http://www.isr.uc.pt
http://dx.doi.org/10.1016/j.compbiomed.2015.01.017
http://www.isr.uc.pt
Conferences
A. De Brito da Cruz,
D. Garcia,
G. Pires,
U. J. Nunes,
Facial Expression Recognition based on EOG toward Emotion Detection for Human-Robot Interaction, 8th International Conference on Bio-inspired Systems and Signal Processing (Biosignals 2015), Lisbon, Portugal, 2015
http://dx.doi.org/10.5220/0005187200310037
http://dx.doi.org/10.5220/0005187200310037
Journals
M. Teixeira,
G. Pires,
M. Raimundo,
S. Nascimento,
V. Almeida,
M. Castelo-Branco,
Robust Single Trial Identification of Conscious Percepts Triggered by Sensory Events of Variable Saliency, PLoS ONE 9(1): e86201, 2014
http://dx.doi.org/10.1371/journal.pone.0086201
http://dx.doi.org/10.1371/journal.pone.0086201
Journals
S. Khalighi,
T. Sousa,
G. Pires,
U. J. Nunes,
Automatic sleep staging: A computer assisted approach for optimal combination of features and polysomnographic channels., Expert Systems with Applications, Elsevier, 2013
http://dx.doi.org/10.1016/j.eswa.2013.06.023
http://dx.doi.org/10.1016/j.eswa.2013.06.023
A. Barata Pires Lopes,
G. Pires,
U. J. Nunes,
Assisted Navigation for a Brain-actuated Intelligent Wheelchair, Robotics and Autonomous Systems, Volume 61, Issue 3, Pages 245-258, Elsevier, 2013
http://dx.doi.org/10.1016/j.robot.2012.11.002
http://dx.doi.org/10.1016/j.robot.2012.11.002
Conferences
R. Parafita,
G. Pires,
U. J. Nunes,
A spacecraft game controlled with a brain-computer interface using SSVEP with phase tagging, IEEE 2nd Int.l Conf. on Serious Games and Applications for Health (SEGAH 2013), Vilamoura, Portugal, 2013
Journals
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
Comparison of a row-column speller vs. a novel lateral single-character speller: Assessment of BCI for severe motor disabled patients, CLINICAL NEUROPHYSIOLOGY, 123(6), pp. 1168-1181, Elsevier, 2012
Conferences
A. Barata Pires Lopes,
G. Pires,
U. J. Nunes,
RobChair: Experiments Evaluating Brain-Computer Interface to Steer a Semi-autonomous Wheelchair, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2012), Vilamoura, Portugal, 2012
G. Pires,
U. J. Nunes,
Evaluation of brain-computer interfaces in accessing computer and other devices by people with severe motor impairments, in Procedia Computer Science, Proceedings of the 4th International Conference on Software Development for Enhancing Accessibility and Fighting Info-exclusion (DSAI 2012)), Vol. 14, Pages 283–292, Portugal, 2012
T. Sousa,
D. Oliveira,
S. Khalighi,
G. Pires,
U. J. Nunes,
Neurophysiologic and statistical analysis of failures in automatic sleep classification, International Conference on Biosignals 2012, Vilamoura, Algarve, 2012
Thesis
G. Pires,
Biosignal Classification for Human Interface with Devices and Surrounding Environment,, Ph.D. Thesis, Universidade de Coimbra, Portugal, 2012, Supervised by
Miguel Castelo-Branco
and
Urbano J. Nunes
Journals
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
Statistical Spatial Filtering for a P300-based BCI: Tests in able-bodied, and Patients with Cerebral Palsy and Amyotrophic Lateral Sclerosis, Journal of Neuroscience Methods, Vol.195, Issue 2, Elsevier, 2011
Conferences
G. Pires,
P. Torres,
N. Casaleiro,
U. J. Nunes,
M. Castelo-Branco,
Playing Tetris with non-invasive BCI, IEEE 1st International Conference on Serious Games and Applications for Health (SeGAH 2011), Braga, 2011
S. Khalighi,
T. Sousa,
D. Oliveira,
G. Pires,
U. J. Nunes,
Efficient Feature Selection for Sleep Staging Based on Maximal Overlap Discrete Wavelet Transform and SVM, 33rd Annual International IEEE EMBS Conference (EMBC11), USA, 2011
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
GIBS Block Speller: Toward a Gaze-Independent P300-Based BCI, 33rd International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC11), USA, 2011
A. Barata Pires Lopes,
G. Pires,
L. Vaz,
U. J. Nunes,
Wheelchair Navigation Assisted by Human-machine Shared-control and a P300-based BCI, IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2011), USA, 2011
Conferences
H. Simões,
G. Pires,
U. J. Nunes,
V. Silva,
Feature Extraction and Selection for Automatic Sleep Staging using EEG, 7th International Conference on Informatics in Control, Automation and Robotics, Funchal, Madeira Island, Portugal, 2010
Conferences
G. Pires,
U. J. Nunes,
A Brain Computer Interface Methodology Based on a Visual P300 Paradigm, in: IEEE/RSJ Int. Conference on Intelligent Robots and Systems (IROS 2009), S.Louis, USA, 2009
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
P300 Spatial Filtering and Coherence-based Channel Selection, in: Proc. 4th Int. IEEE EMBS on Neural Engineering (NER09), Antalya, Turkey, 2009
A. Ribeiro,
A. Sirgado,
J. Aperta,
A. Barata Pires Lopes,
J. Guilherme,
P. Correia,
G. Pires,
U. J. Nunes,
A Low-cost EEG Stand-alone for Brain Computer Interface, in Proc. 2nd Int. Conf. on Biodemical Electronics and Devices (Biodevices 2009), Porto, Portugal, 2009
Conferences
G. Pires,
U. J. Nunes,
M. Castelo-Branco,
Brain Computer Interface Approaches to Control Mobile Robotic Devices, on Advances in Mobile Robotics, World Scientific, Proceedings of the 11th International Conference on Climbing and Walking Robots and the Support Technologies for Mobile Machines, pp 489-496, Coimbra, Portugal, 2008
G. Pires,
M. Castelo-Branco,
U. J. Nunes,
Visual P300-based BCI to steer a Wheelchair: a Bayesian Approach, in Proceedings of the 30th Annual International IEEE EMBS Conference, pp. 658-661, Vancouver, British Columbia, Canada, 2008
Journals
G. Pires,
U. J. Nunes,
A Wheelchair Steered through Voice Commands and Assisted by a Reactive Fuzzy-Logic Controller, in Journal of Intelligent and Robotic Systems, n.34, pp.301-314, Kluwer Academic Publishers, 2002
Ph.D. Thesis
Aniana da Rosa De Brito da Cruz,
Mental State Monitoring for Improving the Brain-Computer Interface Robustness in a Human-Centered Collaborative Control (6/2021) Supervised by
Gabriel Pires
and
Urbano J. Nunes
M.Sc. Thesis
Paloma Vanessa Nunes Solis,
Using Transcranial Direct Current Stimulation to Boost Brain-Bomputer Intergface Performance (9/2024) Supervised by
Teresa Sousa
and
Gabriel Pires
Filipa Botinas,
Emotional error signals in the brain: A BCI approach (9/2022) Supervised by
Teresa Sousa
and
Gabriel Pires
Anna Nalotto,
Assessing deep learning approaches to detect error-related potentials in BCIs (4/2022) Supervised by
Giulia Cisotto
and
Gabriel Pires
Alberto Zancanaro,
Machine and deep learning algorithms for the analysis of EEG signals for neuroscience and motor rehabilitation (3/2021) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Riccardo Melchiori,
Signal Processing Techniques for the Control of EEG-EMG-Based Assistive Robotics (3/2021) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Francisco Roque,
Code-Modulated Visual Evoked Potentials for BCI and Biometric Authentication (11/2020) Supervised by
Gabriel Pires
and
Urbano J. Nunes
João David França Santos,
Development of a BCI framework: hardware/software architecture and control of domotic appliances (9/2019) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Maria Francisca Machado,
Hybrid BCI based on visual and auditory stimuli (9/2019) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Jorge Rodrigues,
Robotização de uma cadeira de rodas elétrica (12/2017) Supervised by
Gabriel Pires
and
Ana Cristina Barata Pires Lopes
Ivo André Craveiro Simões Baptista,
Desenvolvimento de um jogo controlado através de potenciais EEG estacionários evocados visualmente (2/2015) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Diogo Garcia,
Modelação de expressões faciais num avatar usando classificação de biossinais (9/2014) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Joana Figueiredo,
Research of adaptive classi cation techniques towards one-time calibration in brain-computer interfaces (9/2014) Supervised by
Gabriel Pires
and
Urbano J. Nunes
Ricardo Jorge Pedrosa Parafita,
Sistema de Gestão de Tráfego em Rotundas e Cruzamentos com Integração Sensorial dos Veículos em Ambiente de Simulação (9/2011) Supervised by
Gabriel Pires
and
Urbano J. Nunes
M. Torres,
Controlo do Jogo Tetris através de um Interface Cérebro Computador usando Sinais Electroencefalográficos (9/2011) Supervised by
Gabriel Pires
and
Urbano J. Nunes